#header {
	background-color: #0F3;
	height: 40px;
	width: 500px;
	margin-top: 5px;
	margin-right: auto;
	margin-bottom: auto;
	margin-left: auto;
}
#main {
	background-color: #0CF;
	height: 400px;
	width: 500px;
	margin-top: 5px;
	margin-right: auto;
	margin-bottom: 5px;
	margin-left: auto;
}
#footer {
	background-color: #6C6;
	height: 80px;
	width: 500px;
	margin-top: 5px;
	margin-right: auto;
	margin-bottom: auto;
	margin-left: auto;
}
